Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3; Volume 7, Part 3American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 261
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
Page 279
... coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at the prescribed depth of 3 mm , and only a few SMAW specimens had the notch positioned in the coarse grained zone . The best positioning was ...
... coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at the prescribed depth of 3 mm , and only a few SMAW specimens had the notch positioned in the coarse grained zone . The best positioning was ...
Page 282
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse grained ...
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse grained ...
Contents
ADVANCED COMPOSITES | 1 |
A Study of the MultiLayered GRP Composite Cylindrical Vessel | 13 |
Resistance of Composite Structures to Impact Loads | 19 |
Copyright | |
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Common terms and phrases
abrasion analysis as-welded assessment austenite axial base metal behaviour bending boron brittle fracture brittle zones CGHAZ Charpy chemical composition chord coarse grained HAZ concrete Conference on Offshore crack growth crack length CTOD tests CTOD values curve cycle defect effect fabrication ferrite fiber Figure fracture initiation fracture mechanics fracture toughness fusion line grain coarsened HAZ HAZ toughness heat affected zone heat input hydrogen ICCGHAZ impact increase layup load low carbon low toughness martensite material maximum Mechanics and Arctic method niobium Offshore Mechanics offshore structures Oseberg parameters plastic plate thickness pop-in post weld heat preheat PWHT region residual stresses sampled simulated solidification cracking steel plates stiffeners stress concentration stress intensity factor submerged arc welding surface notched Table temperature tensile thermal TMCP transverse tubular joints weld metal weld toe weldability welded joints welding procedures weldments wide plate tests yield strength